Dough-raiser.



am my mm D nn MM Lw D APPLICATION FILED MAY 24, 1908.

H0 MODEL.

w 3 Q G w W 61 Wot 149 130 UNITED STATES Patented May 26, 1903;

PATENT OFFICE.

LZ MCGOMBS, OF HOMER CITY,'PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO WILLIAM E. MCNUTT, OF HOMER CITY, PENNSYLVANIA.

DOUGH-RAISER.

SPECIFICATION formingpart of Letters Patent No. 728,962, dated May 26, 1903.

Application filed May 24, 1902. Serial No. 108,810. (No model.)

T0 at whom, it may concern.-

Be it known that I, LZ MCCOMBS, a citizen of the United States, residing at Homer City, in the county of Indiana and State of Penn- 5 sylvania, have invented a new and useful Dough-Raiser, of which the following is a specification.

This invention is a dough-raiser, the object being to provide an improved device for the purpose of raising dough by means of artificial heat, at the same time providing a device which can be used for other purpose when not being used as a dough-raiser; and with these objects in view my invention consists in the novel features of construction, combination, and arrangement, all of which will be fully described hereinafter and pointed out in the claim.

In the drawings forming a part ofthis specification, Figure 1 is a perspective view of a device constructed in accordance with my invention, the cover being moved back for the purpose of opening the dough-raising chamber. Fig. 2 is a vertical longitudinal sectional view on about the line 2 2 of Fig. 3. Fig. 3 is a transverse sectional view, the lamp being omitted, said view being taken about on the line 3 3 of Fig. 2. Fig. 4 is adetail sectional view taken horizontally through one end of the hot-air box or tank on the line 4 4 of Fig. 3. Fig. 5 is a detail sectional View showing the manner of protecting the escape-flue, the section being taken on the line 5 5 of Fig. 2.

In carrying out my invention I employ a wooden box A, which is preferably made of poplar wood and is supported upon legs A. This box has a sliding cover A the sides of said cover having depending strips A which are constructed with tongues A, which slide.

in grooves A produced in the sides of the box. The outward sliding movement of the cover is limited by means of a depending stop A, and asuitable hand-grip A is cut in the under edge of the outer end of the said cover. This cover does not extend the full length of the box, but is made to meet a stationary piece B, the meeting edges of the said piece and cover being shouldered, as shown at B, in order to provide a tight joint. It will thus be noted that the box, together with the cover, provides a thoroughly tight receptacle.

Within the box A is arranged a hot-air box or tank 0, preferably composed of galvanized tin. This box or tank has a depending sleeve or thimble G, which extends through a circular opening (1 produced in the bottom of the box, and projecting upwardly into the said thimble or sleeve is the chimneyD of the lamp E, said thimble being preferably constructed of sheet metal and having an opening at one side covered with mica, so that a view of the flameishad, so that the lamp can be regulated without removing the chimney. The air box or tank 0 has outwardly-projectin g flanges F, which rest upon cleats F.

An asbestos plate G is arranged upon the bottom of the box, and upon this asbestos plate is placed a definite quantity of asbestos, mineral wool, or other non-conducting packing H, and over this material is placed another asbestos plate I, upon which the hotair tank or box 0 rests, it being understood that all of these plates are perforated to permit the passage of the depending thimble or sleeve 0.

A slatted frame K, of wood, is arranged upon the hot-air box or tank 0, and the bowl or pan containing the bread to be raised rests upon this slatted wooden frame. The box or tank 0 is divided longitudinally by means of a longitudinal partition L, which extends from the end adjacent to the lamp nearly to the opposite end, and a partition L is arranged at a right angle to the partition L at its end, as most clearly shown in Fig. 4, and by means of this angular shape of the partition the heated air is caused to extend into the corners of the box or tank, thereby heating every portion of the box or receptacle.

An outlet-pipe M is attached to the end of the hot-air box or tank upon the opposite side of the central partition L, said pipe extending upwardly through the stationary portion 13 of the cover, and this pipe M is separated by means of a shield N, which is connected to the inner sides of theboxAfrom the chamber where the dough is placed. Cleats O are arranged upon the inner sides of the box A for'the purpose of supporting a board or rack in case it is desired to arrange one; bowl or pan above another.

When it is desired to use the device as a dough-raiser, the dough to be raised is placed within the wooden box or receptacle, the top closed, and the lamp lighted. The heated air passes through the hot-air box or tank and raises the temperature of the interior of the box to the proper degree, and any suitable construction of thermometer may be used in connection with the box to indicate the temperature of the interior,so that in case the temperature becomes too high the lamp can be regulated to reduce the temperature.

The top of the sliding cover is constructed in such manner as to be particularly adapted for use as a dough-board wh-ereon the dough can be made, and when the device is not used as a dough-raiser it can be used asa kitchencabinet for the purpose of storing bread, cake, or other material, as the special construction of the device particularly fits it for such use. By constructing the top to slide in the manner herein shown and described all danger of its becoming lost is avoided and, furthermore, a perfectly tight fit is always obtained.

Having thus 'fully described my invention, what I claim as new, and desire to secure by Letters Patent of the United States, is-

A dough-raiser comprising a wooden box, suitable packing in the bottom thereof, a metallic hot-air tank or box arranged within the wooden box upon the packing, a longitudinal partition extending a portion of the length of the tank, a second partition arranged at a right angle to the first-mentioned partition, a discharge-pipe leading upwardly through the Wooden box from the hot-air box or tank, a depending sleeve opening downward from the hot-air box and adapted to receive the chimney of a lamp, and a'sliding cover adapted to close the top of the wooden box.

LZ MCCOMBS.

Witnesses:

JOHN H. JOHNSTON, T. J. BRANSTON. 

